The repeating contractile unit of a skeletal muscle fiber is the

A) sarcolemma.
B) sarcomere.
C) sarcoplasmic reticulum.
D) myofibril.
E) myofilament.


Answer: B

Anatomy & Physiology

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Which of the bones below does not belong to the appendicular skeleton?

A. Patella B. Clavicle C. Ethmoid D. Ulna E. Fibula

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Identify the correct sequence for the steps of meiosis I

A) Telophase I - anaphase I - metaphase I - prophase I B) Prophase I - metaphase I - anaphase I - telophase I C) Interphase - mitosis - meiosis D) 46 chromosomes, 23 chromosomes, then 46 chromosomes

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Free energy is the only type that can be used to perform cellular work.

Answer the following statement true (T) or false (F)

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